Base | Representation |
---|---|
bin | 1110101011111… |
… | …00001110110100 |
3 | 22120210210222201 |
4 | 13111330032310 |
5 | 223014122434 |
6 | 20120234244 |
7 | 3024055030 |
oct | 725741664 |
9 | 276723881 |
10 | 123192244 |
11 | 635a217a |
12 | 3530b984 |
13 | 1c6a3c26 |
14 | 1250b1c0 |
15 | ac36614 |
hex | 757c3b4 |
123192244 has 12 divisors (see below), whose sum is σ = 246384544. Its totient is φ = 52796664.
The previous prime is 123192241. The next prime is 123192259. The reversal of 123192244 is 442291321.
123192244 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4399723 = 123192244 / (1 + 2 + 3 + 1 + 9 + 2 + 2 + 4 + 4).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123192241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2199834 + ... + 2199889.
Almost surely, 2123192244 is an apocalyptic number.
123192244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
123192244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123192244 is a wasteful number, since it uses less digits than its factorization.
123192244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4399734 (or 4399732 counting only the distinct ones).
The product of its digits is 3456, while the sum is 28.
The square root of 123192244 is about 11099.2001513623. The cubic root of 123192244 is about 497.5779449098.
The spelling of 123192244 in words is "one hundred twenty-three million, one hundred ninety-two thousand, two hundred forty-four".
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